From c2e9a88d028424c37dfc8b9a92869b03672ba8c8 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 1 Mar 2017 12:02:25 +0100
Subject: update-ddns kann jetzt auch alle devices fragen

---
 update-ddns.in | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/update-ddns.in b/update-ddns.in
index 6626ed4..063350d 100644
--- a/update-ddns.in
+++ b/update-ddns.in
@@ -30,10 +30,12 @@ do
   then
     dnsVer="A"
     inetVer="inet"
+    ipCmdVer='-4'
   elif [ "${ipVer}" == "6" ]
   then
     dnsVer="AAAA"
     inetVer="inet6"
+    ipCmdVer='-6'
   else
     >&2 echo 'Error: First column in "#ETCDIR#/update-ddns.conf" needs to be "4" or "6"!'
     exit 1
@@ -55,8 +57,15 @@ do
         sort -u
     )"
 
+    if [ "${dev}" == "-" ]
+    then
+      unset dev
+    else
+      dev="dev ${dev}"
+    fi
+
     ips="$(
-      "${ipCmd}" addr show dev "${dev}" | \
+      "${ipCmd}" "${ipCmdVer}" addr show ${dev} scope global | \
         grep "^\s*${inetVer}\s.*\sscope\sglobal\s" | \
         awk '{print $2}' | \
         cut -d/ -f1 | \
-- 
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